What are three products first developed for use in space that people now use in their everyday lives?

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.

Do plant cells perform cellular respiration?